Improvements introduced in homes of solid fuels fueled by gravity, and in the appliances, such as boilers containing such households (Machine-translation by Google Translate, not legally binding)

摘要

Perfeccionamentos introduced in the homes of solid fuel fed by gravity that consist of forming a bed or layer of fuel delimited externally by natural slope and in form below this bed and fed by him a second fuel bed equally delimited by natural slope on the which is sent to the primary combustión air. (Machine-translation by Google Translate, not legally binding)